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A264323 Number of permutations of [n] with exactly four (possibly overlapping) occurrences of the consecutive pattern 3412. 2
1, 89, 5461, 238356, 8368831, 259770975, 7542478135, 211794493290, 5870838954710, 162745118970610, 4549825111681964, 128994813976541176, 3722621639161251074, 109622707753571938234, 3299453321046315967098, 101610430484526744949716, 3203896974449174366163207 (list; graph; refs; listen; history; text; internal format)
OFFSET

10,2

LINKS

Alois P. Heinz, Table of n, a(n) for n = 10..180

CROSSREFS

Column k=4 of A264319.

Sequence in context: A017805 A017752 A282478 * A100419 A328355 A264135

Adjacent sequences:  A264320 A264321 A264322 * A264324 A264325 A264326

KEYWORD

nonn

AUTHOR

Alois P. Heinz, Nov 11 2015

STATUS

approved

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Last modified September 19 06:16 EDT 2020. Contains 337177 sequences. (Running on oeis4.)